using System;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using Newtonsoft.Json.Linq;
using System.Reflection;
using System.Collections.Generic;
public class Program
{
public static void Main()
var valueFromDate = 63802765139661317;
var date = new DateTimeOffset(valueFromDate * 10, TimeSpan.Zero);
Console.WriteLine(date);
}